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USB5744/2G 数据表(PDF) 13 Page - Microchip Technology

部件名 USB5744/2G
功能描述  4-Port SS/HS USB Controller Hub
PDF  51 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB5744/2G 数据表(HTML) 13 Page - Microchip Technology

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 2022 Microchip Technology Inc. and its subsidiaries
DS00001855K-page 13
USB5744
Note 3: Configuration strap values are latched on Power-On Reset (POR) and the rising edge of RESET_N (external
chip reset). Configuration straps are identified by an underlined symbol name. Signals that function as con-
figurations traps must be augmented with an external resistor when connected to a load. Refer to Section
3.4, "Configuration Straps and Programmable Functions" for additional information.
TABLE 3-6:
SPI/SMBUS PIN DESCRIPTIONS
Num
Pins
Symbol
Buffer
Type
Description
1
SPI_CE_N
O12
Active low SPI chip enable output.
GPIO7
I/O12
General purpose input/output 7.
CFG_NON_REM
I
Non-Removable Port Configuration Strap.
This configuration strap is used to configure the number of non-
removable ports. Refer to Section 3.4.3, "Non-Removable Port Con-
figuration (CFG_NON_REM)" for more information.
See Note 3.
1
SPI_CLK
O6
SPI clock output to the serial ROM, when configured for SPI opera-
tion.
SMCLK
OD12
SMBus clock pin, when configured for SMBus slave operation.
GPIO4
I/O6
General purpose input/output 4.
1
SPI_DO
O6
SPI data output, when configured for SPI operation.
SMDAT
I/O12
SMBus data pin, when configured for SMBus slave operation.
GPIO5
I/O6
General purpose input/output 5.
1
SPI_DI
IS
SPI data input, when configured for SPI operation.
GPIO9
I/O12
General purpose input/output 9.
CFG_BC_EN
I
Battery Charging Configuration Strap.
This configuration strap is used to enable battery charging. Refer to
Section 3.4.4, "Battery Charging Configuration (CFG_BC_EN)" for
more information.
See Note 3.



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